Plaguily

[…] most wicked woman (that hast so plaguily a corrupted minde, as thou canst not keepe thy sickenesse to thy selfe, but must most wickedly infect others) […]

I was plaguily nettled, and disappointed too.

Little wonder that the artist’s glance frequently wandered across the great shining table towards a girl who, if they had not been so plaguily intent on honouring his fame, might have now been replacing the Mayoress at his side.